MEDIUM

CVE-2026-15402

2026-09-15 CVSS v3.1

CVSS

6.4

Description

The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter in all versions up to, and including, 4.1.23 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness (CWE)

CWE-79 Cross-site Scripting (XSS)

EPSS Score

0.25%

Probability of exploitation in next 30 days

16.7th percentile

References

https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/post-model.php#L202 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.php#L297 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L253 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L516 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.php#L115 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/functions.php#L47 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/helper.php#L78 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/post-model.php#L202 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/AccessControl/Permission.php#L297 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L253 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L516 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/templates/event/schedule-list.php#L115 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/functions.php#L47 https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/helper.php#L78 https://plugins.trac.wordpress.org/changeset?reponame=&old=3689867%40wp-event-solution&new=3689867%40wp-event-solution https://www.wordfence.com/threat-intel/vulnerabilities/id/a07070b6-37d2-4ccf-ae81-a08ac7b76241?source=cve

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